Pistol grip assembly



FIG. 1 is a top perspective view of a pistol grip assembly in accordance with the present design;

FIG. 2 is a side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 6 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines are used to illustrate unclaimed environment and form no part of the claimed design. The shading represents contour of the claimed design. 

CLAIM The ornamental design for a pistol grip assembly, as shown and described. 